Electron Transport system

Find the wrong one.

  1. Release and utilize the energy stored in NADH and FADH2
  2. Oxidizes NADH and reduces FADH2
  3. Electrons are passed on to oxygen resulting in the formation of water
  4. The metabolic pathway through which electron passes from one carrier to another
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Where does ETS occur?

  1. Inner Mitochondrial Membrane
  2. Peri Mitochondrial Space
  3. Outer Mitochondrial Membrane
  4. Inter Membrane Space
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What is the complex which oxidizes NADH during ETs

  1. Complex 1
  2. NADH dehydrogenase
  3. NADH oxidase
  4. Both A and B
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The electrones which are coming from oxidation of NADH are transferred from complex I to

  1. Ubiquinol
  2. Ubiquinone
  3. Ubiquinal
  4. Ubiquitous
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Ubiquinone gets electrones from

  1. NADH only
  2. FADH2 only
  3. Both A and B
  4. From GTP
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FADH2 is oxidized by

  1. Complex I
  2. Complex II
  3. Complex III
  4. Complex IV
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The reduced ubiquinone is

  1. Ubiquinol
  2. It is oxidized with the transfer of electrones to cytochrome C via cytochrome bc1 complex
  3. Is a mobile carrier
  4. Both A and B
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Complex three is

  1. NADH dehydrogenase
  2. Succinate dehydrogenase
  3. Cytochrome C oxidase
  4. Cytochrome bc1 complex
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Cytochrome c includes except

  1. Mobile carrier
  2. Present on outer surface of inner membrane
  3. Acts as mobile carrier for transfer of electrones between complex III and IV
  4. Transfers electrones from complex II to complex III as well
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Oxidation of two molecules of NADH gives

  1. 6 ATPs
  2. 3 ATPs
  3. 1 ATP
  4. 2 ATPs
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